#top{
	width: 780px;
	height: 185px;
}
#img{
	background: url(../img/banner.jpg);
	width: 780px;
	height: 150px;
}
#nav{width: 780px;
height: 33px;
}
#nav li{
		list-style: none;
}
#nav a{
	width: 78px;
	float: left;
	display: inline;
	background: url(../img/button1.jpg);
	text-align: center;
	line-height: 33px;
   text-decoration: underline;
   color: #2286C6;
}
#nav a:hover{
	position: relative;
	background: url(../img/button1_bg.jpg);
	bottom: 2px;
	right: 2px;
}